/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.instancemanager;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.Map;

import javolution.util.FastMap;
import net.sf.l2j.database.L2DatabaseFactory;
import net.sf.l2j.gameserver.datatables.ClanTable;
import net.sf.l2j.gameserver.model.L2Clan;
import net.sf.l2j.gameserver.model.entity.ClanHall;

/**
 * @author Steuf
 */
public class ClanHallManager {
	private Map<Integer, ClanHall> _clanHall;
	private Map<Integer, ClanHall> _freeClanHall;
	private boolean _loaded = false;

	public static ClanHallManager getInstance() {
		return SingletonHolder._instance;
	}

	public boolean loaded() {
		return _loaded;
	}

	private ClanHallManager() {
		System.out.println("Initializing ClanHallManager");
		_clanHall = new FastMap<Integer, ClanHall>();
		_freeClanHall = new FastMap<Integer, ClanHall>();
		load();
	}

	/** Reload All Clan Hall */
	/*
	 * public final void reload() Cant reload atm - would loose zone info {
	 * _clanHall.clear(); _freeClanHall.clear(); load(); }
	 */
	/** Load All Clan Hall */
	private final void load() {
		Connection con = null;
		try {
			int id;
			PreparedStatement statement;
			ResultSet rs;
			con = L2DatabaseFactory.getInstance().getConnection();
			statement = con
					.prepareStatement("SELECT * FROM clanhall ORDER BY id");
			rs = statement.executeQuery();
			while (rs.next()) {
				id = rs.getInt("id");
				if (rs.getInt("ownerId") == 0)
					_freeClanHall.put(
							id,
							new ClanHall(id, rs.getString("name"), rs
									.getInt("ownerId"), rs.getInt("lease"), rs
									.getString("desc"), rs
									.getString("location"), 0, rs
									.getInt("Grade"), rs.getBoolean("paid")));
				else if (ClanTable.getInstance().getClan(rs.getInt("ownerId")) != null) {
					_clanHall.put(
							id,
							new ClanHall(id, rs.getString("name"), rs
									.getInt("ownerId"), rs.getInt("lease"), rs
									.getString("desc"), rs
									.getString("location"), rs
									.getLong("paidUntil"), rs.getInt("Grade"),
									rs.getBoolean("paid")));
					ClanTable.getInstance().getClan(rs.getInt("ownerId"))
							.setHasHideout(id);
				} else {
					_freeClanHall.put(
							id,
							new ClanHall(id, rs.getString("name"), rs
									.getInt("ownerId"), rs.getInt("lease"), rs
									.getString("desc"), rs
									.getString("location"), rs
									.getLong("paidUntil"), rs.getInt("Grade"),
									rs.getBoolean("paid")));
					_freeClanHall.get(id).free();
					AuctionManager.getInstance().initNPC(id);
				}
			}
			statement.close();
			System.out.println("Loaded: " + getClanHalls().size()
					+ " clan halls");
			System.out.println("Loaded: " + getFreeClanHalls().size()
					+ " free clan halls");
			_loaded = true;
		} catch (Exception e) {
			System.out.println("Exception: ClanHallManager.load(): "
					+ e.getMessage());
			e.printStackTrace();
		} finally {
			try {
				con.close();
			} catch (Exception e) {
			}
		}
	}

	/** Get Map with all FreeClanHalls */
	public final Map<Integer, ClanHall> getFreeClanHalls() {
		return _freeClanHall;
	}

	/** Get Map with all ClanHalls */
	public final Map<Integer, ClanHall> getClanHalls() {
		return _clanHall;
	}

	/** Check is free ClanHall */
	public final boolean isFree(int chId) {
		if (_freeClanHall.containsKey(chId))
			return true;
		return false;
	}

	/** Free a ClanHall */
	public final synchronized void setFree(int chId) {
		_freeClanHall.put(chId, _clanHall.get(chId));
		ClanTable.getInstance().getClan(_freeClanHall.get(chId).getOwnerId())
				.setHasHideout(0);
		_freeClanHall.get(chId).free();
		_clanHall.remove(chId);
	}

	/** Set ClanHallOwner */
	public final synchronized void setOwner(int chId, L2Clan clan) {
		if (!_clanHall.containsKey(chId)) {
			_clanHall.put(chId, _freeClanHall.get(chId));
			_freeClanHall.remove(chId);
		} else
			_clanHall.get(chId).free();
		ClanTable.getInstance().getClan(clan.getClanId()).setHasHideout(chId);
		_clanHall.get(chId).setOwner(clan);
	}

	/** Get Clan Hall by Id */
	public final ClanHall getClanHallById(int clanHallId) {
		if (_clanHall.containsKey(clanHallId))
			return _clanHall.get(clanHallId);
		if (_freeClanHall.containsKey(clanHallId))
			return _freeClanHall.get(clanHallId);
		return null;
	}

	/** Get Clan Hall by x,y,z */
	/*
	 * public final ClanHall getClanHall(int x, int y, int z) { for
	 * (Map.Entry<Integer, ClanHall> ch : _clanHall.entrySet()) if
	 * (ch.getValue().getZone().isInsideZone(x, y, z)) return ch.getValue(); for
	 * (Map.Entry<Integer, ClanHall> ch : _freeClanHall.entrySet()) if
	 * (ch.getValue().getZone().isInsideZone(x, y, z)) return ch.getValue();
	 * return null; }
	 */
	public final ClanHall getNearbyClanHall(int x, int y, int maxDist) {
		for (Map.Entry<Integer, ClanHall> ch : _clanHall.entrySet())
			if (ch.getValue().getZone().getDistanceToZone(x, y) < maxDist)
				return ch.getValue();
		for (Map.Entry<Integer, ClanHall> ch : _freeClanHall.entrySet())
			if (ch.getValue().getZone().getDistanceToZone(x, y) < maxDist)
				return ch.getValue();
		return null;
	}

	/** Get Clan Hall by Owner */
	public final ClanHall getClanHallByOwner(L2Clan clan) {
		for (Map.Entry<Integer, ClanHall> ch : _clanHall.entrySet())
			if (clan.getClanId() == ch.getValue().getOwnerId())
				return ch.getValue();
		return null;
	}

	@SuppressWarnings("synthetic-access")
	private static class SingletonHolder {
		protected static final ClanHallManager _instance = new ClanHallManager();
	}
}